Removal of the Burner Staging Valve (BSV) Installation of the Burner Staging Valve (BSV) Removal of the CJ11R Harness Removal of the HJ11 Harness Installation of the CJ11R Harness Installation of the HJ11 Harness Removal of the Electronic Control Unit (ECU)(4000KS) Installation of the Electronic Control Unit (ECU)(4000KS) Removal of the Engine Identification Connector Installation of the Engine Identification Connector Programming of the Identification Connector (Push-Pull Design) Operational Test of the FADEC on the Ground (with Engine Motoring)
R A. Do the operational test of the FADEC on the ground (with engine motoring) R (Ref. AMM TASK 73-29-00-710-040).
R 4. Fault Isolation
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R A. If the test gives the maintenance message BSV, J11, J14(WRONG): R - verify the nameplate of the engine:
R (1) If the nameplate is for a SAC engine: R - Replace J14 Identification connector (Ref. AMM TASK 73-21-90-000-R 002) (Ref. AMM TASK 73-21-90-400-002) or Do a Re-programming of the R Identification Connector (Push-pull Design only) (Ref. AMM TASK 73-R 21-90-860-001).
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R NOTE : This fault will be set if a DAC ID plug is installed on a SAC
____ R engine. The engine nameplate and ID plug can be checked on the R MCDU screen. Acces reporting functions, then select the LRU R Identification Screen. Line 4 of the LRU Identification Screen R will display. R - "EGT MON" or "SAC CONFIG" for a SAC ID plug R - "DAC CONFIG" for a DAC ID plug
R (2) If the nameplate is for a DAC engine:
R - Disconnect the HJ11 harness from the ECU (4000KS)
R - Do a resistance check of the HJ11 harness between (Ref. ASM 73-R 25/18):
R . pins 4 and 5 (72 to 89 ohms)
R . pins 6 and 7 (42 to 52 ohms)
R . pins 2 and 3 (42 to 52 ohms)
R . pins 4 and 1 (more than 10 megohms)
R . pins 6 and 1 (more than 10 megohms)
R . pins 2 and 1 (more than 10 megohms)
R . pin 4 and the ground (more than 10 megohms)
R . pin 6 and the ground (more than 10 megohms)
R . pin 2 and the ground (more than 10 megohms)
R (a) If the resistance values are out of the specified limits: R - Disconnect the HJ11 harness from the cable CJ11R at the 6 R o'clock junction box R - Do a resistance check of the cable CJ11R between (Ref. ASM 73-R 25/18).
R . pins 20 and 21 (72 to 89 ohms)
R . pins 7 and 19 (42 to 52 ohms)
R . pins 2 and 9 (42 to 52 ohms)
R . pins 20 and 8 (more than 10 megohms)
R . pins 7 and 8 (more than 10 megohms)
R . pins 2 and 8 (more than 10 megohms)
R . pin 20 and the ground (more than 10 megohms)
R . pin 7 and the ground (more than 10 megohms)
R . pin 2 and the ground (more than 10 megohms)
R 1_ If the resistance value are in the specified limits:
R - replace the HJ11 harness (Ref. AMM TASK 73-21-50-000-044)
R (Ref. AMM TASK 73-21-50-400-044).
R 2_ If the resistance value are out of the specified limits:
R - Disconnect the harness CJ11R from the BSV valve.
R - Do a resistance check at the BSV valve between (Ref. ASM 73-R 25/18).
R . pins 4 and 2 (72 to 89 ohms)
R . pins 6 and 7 (42 to 52 ohms)
R . pins 8 and 9 (42 to 52 ohms)
R . pins 2 and 1 (more than 10 megohms)
R . pins 6 and 1 (more than 10 megohms)
R . pins 8 and 1 (more than 10 megohms)
R . pin 2 and the ground (more than 10 megohms)
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